Watt 10 : General.The unit of power, usually expressed as Watt or W. The appropriate power supply is marked on the nameplate, e.g. a heater may be labelled 2,300 W, a light bulb may be labelled 60 W
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}